NVIDIA GeForce RTX 3080 Ti 20 GB vs NVIDIA GeForce GT 545

VS

NVIDIA GeForce RTX 3080 Ti 20 GB NVIDIA GeForce GT 545

We compared two Desktop platform GPUs: 20GB VRAM GeForce RTX 3080 Ti 20 GB and 1536MB VRAM GeForce GT 545 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Ti 20 GB 's Advantages

Released 10 years and 8 months late

Boost Clock1665MHz

More VRAM (20GB vs 1GB)

Larger VRAM bandwidth (760.3GB/s vs 38.40GB/s)

10096 additional rendering cores

NVIDIA GeForce GT 545 's Advantages

Lower TDP (70W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti 20 GB +8116%

34.1 TFLOPS

GeForce GT 545

0.415 TFLOPS

GeForce RTX 3080 Ti 20 GB

VS

GeForce GT 545

Graphics Card

Jan 2022

Release Date

May 2011

GeForce 30

Generation

GeForce 500

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1335 MHz

Base Clock

-

1665 MHz

Boost Clock

-

1188 MHz

Memory Clock

800 MHz

Memory

20GB

Memory Size

1536MB

GDDR6X

Memory Type

DDR3

320bit

Memory Bus

192bit

760.3GB/s

Bandwidth

38.40GB/s

Render Config

80

SM Count

3

-

Compute Units

-

10240

Shading Units

144

320

TMUs

24

112

ROPs

16

320

Tensor Cores

-

80

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SM)

6 MB

L2 Cache

384 KB

Theoretical Performance

186.5 GPixel/s

Pixel Rate

4.320 GPixel/s

532.8 GTexel/s

Texture Rate

17.28 GTexel/s

34.10 TFLOPS

FP16 (half)

-

34.10 TFLOPS

FP32 (float)

414.7 GFLOPS

532.8 GFLOPS

FP64 (double)

34.56 GFLOPS

Graphics Processor

GA102

GPU Name

GF116

GA102-225-A1

GPU Variant

-

Ampere

Architecture

Fermi 2.0

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

28.3 billion

Transistors

1.17 billion

628 mm²

Die Size

238 mm²

Board Design

350W

TDP

70W

750 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 12-pin

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

8.6

CUDA

2.1

6.6

Shader Model

5.1

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